Pihulevskyi P.G., Anisimova L.B., Tiapkin O K., Yemelianenko T.M. Investigation of the hydrodynamics of man-made water by remote methods (on the example of southern Kryvbas)

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Parent Category: Geo-Technical Mechanics, 2022

Category: Geo-Technical Mechanics, 2022, Issue 163

Geoteh. meh. 2022, 163, 165-173

https://doi.org/10.15407/geotm2022.163.165

 

INVESTIGATION OF THE HYDRODYNAMICS OF MAN-MADE WATER BY REMOTE METHODS (ON THE EXAMPLE OF SOUTHERN KRYVBAS)

¹Pihulevskyi P.G., ²Anisimova L.B., ³Tiapkin O K., ²Yemelianenko T.M.

¹Subbotin Institute of Geophysics of National Academy of Sciences of Ukraine, ²Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine, ³Dnipro University of Technology

UDC 556.332.4.04:556.388                                   

Language: English

Abstract. The purpose of this study was to identify the degree and nature of man-made changes in the condition of the hydrogeological structure of the upper part of the earth's crust in the south of the Kryvyi Rih iron ore basin (Kryvbas). Another goal was the search and localization of sources of highly mineralized waters of the studied territory.
To understand the nature of the watering (dewatering) of the section, the results of mapping the deformation of the terrain on the Sentinel-1 IW SLC space radar images were used. The resulting changes in the relief of the area were compared with the results of repeated geoelectrical observations, which showed zones of the day surface to the south of the "Livoberezhny" dumps, which are subject to subsidence and have areas of local flooding and waterlogging. They are mainly associated to the complex structure of zones of tectonic disturbances, zones of intersection of Precambrian faults of sub-meridional extension and west-northwest, which affect the distribution and localization of mineralized waters.
Analysis of the data of hydrogeological, hydrological, engineering-geological and geophysical studies of the territory at the end of the 20th and beginning of the 21st centuries showed the degree of change in the hydrogeological environment over several decades. A comprehensive interpretation of space radar and geophysical survey data made it possible to assess the physical processes that take place from the surface to depths of tens of meters below it. The carried out geoelectrical research made it possible to establish the width of the rock water table in the upper part of the section, which ranges from 50 to 150 m, and the presence of a local depression on the roof of the foundation, under pond "Lebiazhyi". The latter is due to the specificity of the connection (knot) of differently oriented faults, where highly mineralized waters preserved in the Kryvyi Rih fault system are still stored and accumulated in the form of lenses.
The conclusion is the integration of remote methods that study various properties of the geological environment increase the possibility of operational and scientifically based identification of problems of flooding of the territory and allow to control safe activities in the zone of influence of man-made objects.
Keywords: hydrogeological structure, technogenic flooding, mineralized waters, remote methods, satellite images, geoelectrical research

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About authors:

Pihulevskyi Petro Hnatovych, Doctor of Geological Sciences (D.Sc), Senior Researcher, Senior Researcher in Department of Seismic Hazards, Subbotin Institute of Geophysics of National Academy of Sciences of Ukraine (IGPH NAS of Ukraine), Kyiv, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Anisimova Larysa Borysivna, Candidate of Biological Sciences (Ph.D), Head of the Laboratory, Institute of Geotechnical Mechanics named by N. Polyakov of National Academy of Sciences of Ukraine (IGTM NAS of Ukraine), Dnipro, Ukraine,
This email address is being protected from spambots. You need JavaScript enabled to view it.

Tiapkin Oleh Kostiantynovych, Doctor of Geological Sciences (D.Sc), Senior Researcher, Professor in Department of Geophysical Exploration Methods, Dnipro University of Technology, Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Yemelianenko Tamara Mykolaivna, Engineer, Institute of Geotechnical Mechanics named by N. Polyakov of National Academy of Sciences of Ukraine (IGTM NAS of Ukraine), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

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